SR 503 over Ross Creek
Good Condition37 years old5,655 vehicles/day
Location
| State | Washington |
| County | Cowlitz |
| Location | 19.9 N Jct SR 503 Spur |
| Carries | SR 503 |
| Crosses | Ross Creek |
| Coordinates | 45.93519, -122.70728 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 63.0 ft (19.2 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 263.2 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 5,655 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0013373A0000000 |